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S&S CYCLE

S&S CYCLE

S&S CYCLE

Shop S&S Cycle Harley-Davidson Performance Parts: Big Bore Kits, Engines & Exhaust at JJ Motorsports

Discover legendary S&S Cycle performance parts, the premier USA-based manufacturer of high-horsepower motorcycle engines and components since 1958. Founded by George J. Smith and Stanley Stankos, S&S is the go-to brand for serious Harley-Davidson builders and racers seeking maximum power, reliability, and American-made quality. From complete long-block engines and big bore top-end kits to flywheels, cams, carburetors, and race-proven exhaust systems, S&S delivers groundbreaking innovations like the T143 engine, MK45 mufflers, and Shovelhead-style heads that transform stock Harleys into fire-breathing machines.

At JJ Motorsports, we stock the full line of S&S Cycle parts at competitive prices with fast shipping. Build more cubic inches, add serious torque, or upgrade your exhaust note with the brand trusted by champions for over 65 years. Explore related categories such as motorcycle engines and components for complete builds or motorcycle exhaust for power gains.

Top S&S Cycle Products

  • S&S Cycle Top End Kit - Big Twin 90-0097 – Complete bolt-on top-end kit with Shovelhead-style heads, stock bore cylinders, 8:1 forged pistons, gaskets, and hardware — no machining required for instant big-inch power.
  • S&S Cycle Flywheel Assembly 320-0598 – Forged steel flywheel assembly with keyed 6" tapered sprocket shaft, balanced to stock HD 80" pistons, includes crankpin and connecting rods — built for high-performance and custom applications.
  • S&S Cycle 4-1/2" Chrome MK45 Cutlass Performance Mufflers 550-1011 – Bold 4-1/2" chrome mufflers with stainless steel baffles, RaceTEX packing for deep bass rumble, removable dB reducer, and 50-state legal — massive looks with serious performance gains.

Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • On Sale
    S&S CYCLE Rocker Arm Shafts - Twin Cam 90-4036

    S&S CYCLE Rocker Arm Shafts - Twin Cam 90-4036

    S&S CYCLE

    MSRP: $59.95
    Now: $53.96
    Was: $59.95
    The S&S Cycle Rocker Arm Shafts are engineered to deliver consistent valve actuation and durability in high-performance Twin Cam applications. These precision-manufactured shafts maintain tight...
    904036
    SKU:
    904036
    Availability:
    Ships Same Business Day
    Weight:
    1.40 LBS
    MOUNTING POSITION:
    FRONT
    APPLICATION:
    INTAKE
    MOUNTING POSITION:
    REAR
    PRODUCT NAME:
    SHAFT
    RIDING STYLE:
    STREET
    APPLICATION:
    EXHAUST
    TYPE:
    ROCKER ARM
    UNITS:
    SET OF 4
    MSRP: $59.95
    Now: $53.96
    Was: $59.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $59.95
    Now: $53.96
    Was: $59.95
    Subtotal:
  • On Sale
    S&S CYCLE Rocker Box Gasket Kit 90-4091

    S&S CYCLE Rocker Box Gasket Kit 90-4091

    S&S CYCLE

    MSRP: $91.95
    Now: $82.76
    Was: $91.95
    A leaking rocker box gasket compromises engine sealing and can lead to oil contamination and performance degradation. This complete S&S Cycle gasket kit eliminates guesswork by providing all...
    904091
    SKU:
    904091
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    TYPE:
    ROCKER BOX
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    GASKET KIT
    UNITS:
    KIT
    MSRP: $91.95
    Now: $82.76
    Was: $91.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $91.95
    Now: $82.76
    Was: $91.95
    Subtotal:
  • On Sale
    S&S CYCLE Die Cast Rocker Box - Evolution 90-4095

    S&S CYCLE Die Cast Rocker Box - Evolution 90-4095

    S&S CYCLE

    MSRP: $1,279.95
    Now: $1,151.96
    Was: $1,279.95
    If you're rebuilding or upgrading your Evolution engine, quality rocker boxes are fundamental to reliable valve train operation and oil containment. S&S Cycle's die-cast rocker boxes deliver a...
    904095
    SKU:
    904095
    Availability:
    Ships Same Business Day
    Weight:
    12.28 LBS
    COLOR/FINISH:
    CHROME
    UNITS:
    PAIR
    BASE FINISH:
    CHROME
    MATERIAL:
    DIE-CAST
    PRODUCT NAME:
    ROCKER BOX
    RIDING STYLE:
    STREET
    MSRP: $1,279.95
    Now: $1,151.96
    Was: $1,279.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,279.95
    Now: $1,151.96
    Was: $1,279.95
    Subtotal:
  • On Sale
    S&S CYCLE Die Cast Rocker Box - Twin Cam 90-4110

    S&S CYCLE Die Cast Rocker Box - Twin Cam 90-4110

    S&S CYCLE

    MSRP: $1,091.95
    Now: $982.76
    Was: $1,091.95
    A quality rocker box is fundamental to engine reliability and oil circulation in Twin Cam applications. S&S Cycle's die-cast design delivers a positive O-ring seal that eliminates leaks while...
    904110
    SKU:
    904110
    Availability:
    Ships Same Business Day
    Weight:
    12.45 LBS
    BASE FINISH:
    CHROME
    COLOR/FINISH:
    CHROME
    PRODUCT NAME:
    ROCKER BOX
    RIDING STYLE:
    STREET
    MATERIAL:
    DIE-CAST
    UNITS:
    PAIR
    MSRP: $1,091.95
    Now: $982.76
    Was: $1,091.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,091.95
    Now: $982.76
    Was: $1,091.95
    Subtotal:
  • On Sale
    S&S CYCLE Rocker Box Gasket Kit 90-4111

    S&S CYCLE Rocker Box Gasket Kit 90-4111

    S&S CYCLE

    MSRP: $71.95
    Now: $64.76
    Was: $71.95
    Rocker box gasket failure is one of the most common sources of oil leaks on Harley-Davidson engines, and even minor seepage compromises engine cleanliness and performance. The S&S Cycle 90-4111 kit...
    904111
    SKU:
    904111
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    PRODUCT NAME:
    GASKET KIT
    UNITS:
    KIT
    FEATURES:
    FOR '99 - '17 TWIN CAM S&S ROCKER BOX
    RIDING STYLE:
    STREET
    TYPE:
    ROCKER BOX
    MSRP: $71.95
    Now: $64.76
    Was: $71.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $71.95
    Now: $64.76
    Was: $71.95
    Subtotal:
  • On Sale
    S&S CYCLE Piston Kit 92-1060

    S&S CYCLE Piston Kit 92-1060

    S&S CYCLE

    MSRP: $484.95
    Now: $436.46
    Was: $484.95
    If you're building a big-bore Evolution engine, piston quality directly impacts reliability, power delivery, and longevity under high RPM conditions. S&S Cycle forged pistons are engineered to handle...
    921060
    SKU:
    921060
    Availability:
    Ships Same Business Day
    Weight:
    2.78 LBS
    BORE OVERSIZE - IMPERIAL:
    STANDARD
    DISPLACEMENT:
    88'
    BORE SIZE IMPERIAL:
    3.625'
    DISPLACEMENT:
    93'
    DISPLACEMENT:
    96'
    TYPE:
    REPLACEMENT
    BORE - OVERSIZE:
    STANDARD
    PISTON MATERIAL:
    FORGED
    STROKE LENGTH IMPERIAL:
    4-5/8'
    UNITS:
    KIT
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    MSRP: $484.95
    Now: $436.46
    Was: $484.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $484.95
    Now: $436.46
    Was: $484.95
    Subtotal:
  • On Sale
    S&S CYCLE Piston Kit 92-1061

    S&S CYCLE Piston Kit 92-1061

    S&S CYCLE

    MSRP: $484.95
    Now: $436.46
    Was: $484.95
    If you're building a big-bore Evolution engine, piston quality directly impacts reliability, ring sealing, and peak horsepower. S&S forged pistons are engineered to handle the increased displacement...
    921061
    SKU:
    921061
    Availability:
    Ships Same Business Day
    Weight:
    2.78 LBS
    DISPLACEMENT:
    88'
    BORE - OVERSIZE:
    +0,010'
    PISTON MATERIAL:
    FORGED
    STROKE LENGTH IMPERIAL:
    4-5/8'
    UNITS:
    KIT
    BORE SIZE IMPERIAL:
    3.625'
    DISPLACEMENT:
    93'
    DISPLACEMENT:
    96'
    TYPE:
    REPLACEMENT
    BORE OVERSIZE - IMPERIAL:
    +0.010'
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    MSRP: $484.95
    Now: $436.46
    Was: $484.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $484.95
    Now: $436.46
    Was: $484.95
    Subtotal:
  • On Sale
    S&S CYCLE Piston Kit 92-1062

    S&S CYCLE Piston Kit 92-1062

    S&S CYCLE

    MSRP: $484.95
    Now: $436.46
    Was: $484.95
    If you're building a big bore hot setup for your Evolution big twin, these forged S&S pistons are the foundation of reliable, high-rpm performance. Engineered specifically for S&S cylinder heads and...
    921062
    SKU:
    921062
    Availability:
    Ships Same Business Day
    Weight:
    2.78 LBS
    BORE - OVERSIZE:
    +0,020'
    BORE SIZE IMPERIAL:
    3.625'
    DISPLACEMENT:
    88'
    DISPLACEMENT:
    96'
    TYPE:
    REPLACEMENT
    BORE OVERSIZE - IMPERIAL:
    +0.020'
    PISTON MATERIAL:
    FORGED
    DISPLACEMENT:
    93'
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    STROKE LENGTH IMPERIAL:
    4-5/8'
    UNITS:
    KIT
    MSRP: $484.95
    Now: $436.46
    Was: $484.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $484.95
    Now: $436.46
    Was: $484.95
    Subtotal:
  • On Sale
    S&S CYCLE Piston Kit 92-1400

    S&S CYCLE Piston Kit 92-1400

    S&S CYCLE

    MSRP: $484.95
    Now: $436.46
    Was: $484.95
    If you're running an 883cc or 1200cc Big Twin and want genuine displacement gains without a complete engine rebuild, the S&S CYCLE 92-1400 Piston Kit delivers a straightforward path to 1250cc. These...
    921400
    SKU:
    921400
    Availability:
    Ships Same Business Day
    Weight:
    3.10 LBS
    BORE SIZE IMPERIAL:
    4.000'
    DISPLACEMENT:
    100'
    PISTON HEAD SHAPE:
    FLAT TOP
    DISPLACEMENT:
    107'
    PISTON MATERIAL:
    FORGED
    BORE - OVERSIZE:
    STANDARD
    BORE OVERSIZE - IMPERIAL:
    STANDARD
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    STROKE LENGTH IMPERIAL:
    4-1/4'
    TYPE:
    REPLACEMENT
    UNITS:
    KIT
    MSRP: $484.95
    Now: $436.46
    Was: $484.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $484.95
    Now: $436.46
    Was: $484.95
    Subtotal:
  • On Sale
    S&S CYCLE Piston Kit 92-1401

    S&S CYCLE Piston Kit 92-1401

    S&S CYCLE

    MSRP: $484.95
    Now: $436.46
    Was: $484.95
    If you're running an 883cc or 1200cc Big Twin and want real displacement gains without a complete engine overhaul, the S&S CYCLE Piston Kit 92-1401 delivers a straightforward path to 1250cc...
    921401
    SKU:
    921401
    Availability:
    Ships Same Business Day
    Weight:
    3.15 LBS
    BORE OVERSIZE - IMPERIAL:
    +0.010'
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    BORE SIZE IMPERIAL:
    4.000'
    DISPLACEMENT:
    100'
    DISPLACEMENT:
    107'
    PISTON MATERIAL:
    FORGED
    PISTON HEAD SHAPE:
    FLAT TOP
    BORE - OVERSIZE:
    +0,010'
    STROKE LENGTH IMPERIAL:
    4-1/4'
    TYPE:
    REPLACEMENT
    UNITS:
    KIT
    MSRP: $484.95
    Now: $436.46
    Was: $484.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $484.95
    Now: $436.46
    Was: $484.95
    Subtotal:
  • On Sale
    S&S CYCLE Piston Kit 92-1402

    S&S CYCLE Piston Kit 92-1402

    S&S CYCLE

    MSRP: $484.95
    Now: $436.46
    Was: $484.95
    If you're running a Big Twin and want meaningful displacement gains without a complete engine rebuild, the S&S CYCLE 92-1402 piston kit delivers a straightforward path to 1250cc power. By increasing...
    921402
    SKU:
    921402
    Availability:
    Ships Same Business Day
    Weight:
    3.15 LBS
    DISPLACEMENT:
    107'
    PISTON HEAD SHAPE:
    FLAT TOP
    BORE OVERSIZE - IMPERIAL:
    +0.020'
    BORE SIZE IMPERIAL:
    4.000'
    DISPLACEMENT:
    100'
    PISTON MATERIAL:
    FORGED
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    BORE - OVERSIZE:
    +0,020'
    STROKE LENGTH IMPERIAL:
    4-1/4'
    TYPE:
    REPLACEMENT
    UNITS:
    KIT
    MSRP: $484.95
    Now: $436.46
    Was: $484.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $484.95
    Now: $436.46
    Was: $484.95
    Subtotal:
  • On Sale
    S&S CYCLE Piston Kit 92-1410

    S&S CYCLE Piston Kit 92-1410

    S&S CYCLE

    MSRP: $484.95
    Now: $436.46
    Was: $484.95
    If you're running an 883cc or 1200cc Big Twin and want genuine displacement gains without an engine swap, the S&S CYCLE Piston Kit 92-1410 is your direct path to 1250cc. This kit delivers measurable...
    921410
    SKU:
    921410
    Availability:
    Ships Same Business Day
    Weight:
    3.10 LBS
    BORE - OVERSIZE:
    STANDARD
    BORE OVERSIZE - IMPERIAL:
    STANDARD
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    PISTON MATERIAL:
    FORGED
    BORE SIZE IMPERIAL:
    4.000'
    PISTON HEAD SHAPE:
    FLAT TOP
    STROKE LENGTH IMPERIAL:
    4-1/2'
    DISPLACEMENT:
    113'
    TYPE:
    REPLACEMENT
    UNITS:
    KIT
    MSRP: $484.95
    Now: $436.46
    Was: $484.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $484.95
    Now: $436.46
    Was: $484.95
    Subtotal:
  • On Sale
    S&S CYCLE Piston Kit 92-1411

    S&S CYCLE Piston Kit 92-1411

    S&S CYCLE

    MSRP: $484.95
    Now: $436.46
    Was: $484.95
    If you're running an 883cc or 1200cc Big Twin and want genuine displacement gains without a complete engine overhaul, the S&S Cycle Piston Kit 92-1411 delivers a straightforward path to 1250cc. This...
    921411
    SKU:
    921411
    Availability:
    Ships Same Business Day
    Weight:
    3.10 LBS
    BORE SIZE IMPERIAL:
    4.000'
    DISPLACEMENT:
    113'
    PISTON HEAD SHAPE:
    FLAT TOP
    BORE OVERSIZE - IMPERIAL:
    +0.010'
    PISTON MATERIAL:
    FORGED
    RIDING STYLE:
    STREET
    STROKE LENGTH IMPERIAL:
    4-1/2'
    PRODUCT NAME:
    PISTON KIT
    UNITS:
    KIT
    BORE - OVERSIZE:
    +0,010'
    TYPE:
    REPLACEMENT
    MSRP: $484.95
    Now: $436.46
    Was: $484.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $484.95
    Now: $436.46
    Was: $484.95
    Subtotal:
  • On Sale
    S&S CYCLE Piston Kit 92-1412

    S&S CYCLE Piston Kit 92-1412

    S&S CYCLE

    MSRP: $484.95
    Now: $436.46
    Was: $484.95
    Building a high-compression engine requires precision-engineered pistons that can handle extreme pressure and heat cycles without compromise. The S&S Cycle Piston Kit 92-1412 delivers the exact...
    921412
    SKU:
    921412
    Availability:
    Ships Same Business Day
    Weight:
    3.15 LBS
    BORE OVERSIZE - IMPERIAL:
    +0.020'
    PISTON MATERIAL:
    FORGED
    UNITS:
    KIT
    PISTON HEAD SHAPE:
    FLAT TOP
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    STROKE LENGTH IMPERIAL:
    4-1/2'
    BORE - OVERSIZE:
    +0,020'
    BORE SIZE IMPERIAL:
    4.000'
    DISPLACEMENT:
    113'
    TYPE:
    REPLACEMENT
    MSRP: $484.95
    Now: $436.46
    Was: $484.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $484.95
    Now: $436.46
    Was: $484.95
    Subtotal:
  • On Sale
    S&S CYCLE Trap Door 56-1027

    S&S CYCLE Trap Door 56-1027

    S&S CYCLE

    MSRP: $519.95
    Now: $467.96
    Was: $519.95
    The S&S Cycle Trap Door (56-1027) is engineered for riders who demand reliable, precision-built components that integrate seamlessly with high-performance engine systems. This billet construction...
    561027
    SKU:
    561027
    Availability:
    Ships Same Business Day
    Weight:
    3.15 LBS
    TRANSMISSION TYPE:
    5-SPEED
    TYPE:
    TRANSMISSION
    MATERIAL:
    ALUMINUM
    PRODUCT NAME:
    TRAP DOOR
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    MSRP: $519.95
    Now: $467.96
    Was: $519.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $519.95
    Now: $467.96
    Was: $519.95
    Subtotal:
  • On Sale
    S&S CYCLE Oil Pump with Gears - Big Twin 31-6296

    S&S CYCLE Oil Pump with Gears - Big Twin 31-6296

    S&S CYCLE

    MSRP: $715.95
    Now: $644.36
    Was: $715.95
    An S&S Cycle oil pump upgrade is essential for Big Twin engines that demand reliable, consistent oil delivery under sustained performance conditions. This complete kit eliminates the limitations of...
    09320151
    SKU:
    09320151
    Availability:
    Ships Same Business Day
    Weight:
    3.51 LBS
    FLOW RATE:
    STANDARD
    PRODUCT NAME:
    PUMP
    RIDING STYLE:
    STREET
    TYPE:
    OIL
    UNITS:
    KIT
    MSRP: $715.95
    Now: $644.36
    Was: $715.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $715.95
    Now: $644.36
    Was: $715.95
    Subtotal:
  • On Sale
    S&S CYCLE Oil Pump Rebuild Kit - Standard 31-6278

    S&S CYCLE Oil Pump Rebuild Kit - Standard 31-6278

    S&S CYCLE

    MSRP: $39.95
    Now: $35.96
    Was: $39.95
    If your S&S oil pump is showing signs of wear—delayed oil pressure, inconsistent delivery, or internal leakage—a full rebuild restores reliable lubrication and protects your engine from catastrophic...
    09320168
    SKU:
    09320168
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    PRODUCT NAME:
    REBUILD KIT
    TYPE:
    OIL PUMP
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    MSRP: $39.95
    Now: $35.96
    Was: $39.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $39.95
    Now: $35.96
    Was: $39.95
    Subtotal:
  • On Sale
    S&S CYCLE Plug - 1/8" NPT - 10 Pack 50-1015

    S&S CYCLE Plug - 1/8" NPT - 10 Pack 50-1015

    S&S CYCLE

    MSRP: $15.95
    Now: $14.36
    Was: $15.95
    If you're rebuilding or servicing a Big Twin or XL Harley-Davidson engine, you need reliable OEM-specification plugs that won't leak or fail under pressure. S&S Cycle's 1/8" NPT plugs are...
    09320169
    SKU:
    09320169
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    RIDING STYLE:
    STREET
    TYPE:
    OIL PUMP
    UNITS:
    10 PACK
    FEATURES:
    NON MAGNETIC
    PRODUCT NAME:
    PLUG
    MSRP: $15.95
    Now: $14.36
    Was: $15.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $15.95
    Now: $14.36
    Was: $15.95
    Subtotal:
  • On Sale
    S&S CYCLE Elbow - 45 Degree - 1/4" NPT 50-8113

    S&S CYCLE Elbow - 45 Degree - 1/4" NPT 50-8113

    S&S CYCLE

    MSRP: $15.95
    Now: $14.36
    Was: $15.95
    If your S&S Cycle oil pump system has a damaged or worn 45-degree elbow fitting, this OEM replacement is essential to maintain proper oil flow and prevent costly system failures. This...
    09320170
    SKU:
    09320170
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    FEATURES:
    -
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    FITTING
    TYPE:
    OIL LINE
    UNITS:
    EACH
    MSRP: $15.95
    Now: $14.36
    Was: $15.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $15.95
    Now: $14.36
    Was: $15.95
    Subtotal:
  • On Sale
    S&S CYCLE Magnetic Plug - 1/8" NPT 50-8334

    S&S CYCLE Magnetic Plug - 1/8" NPT 50-8334

    S&S CYCLE

    MSRP: $15.95
    Now: $14.36
    Was: $15.95
    Magnetic drain plugs are essential for monitoring engine health and extending oil system longevity. This S&S Cycle replacement captures ferrous particles before they circulate through your...
    09320171
    SKU:
    09320171
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    PRODUCT NAME:
    PLUG
    TYPE:
    OIL PUMP
    UNITS:
    EACH
    FEATURES:
    MAGNETIC
    RIDING STYLE:
    STREET
    MSRP: $15.95
    Now: $14.36
    Was: $15.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $15.95
    Now: $14.36
    Was: $15.95
    Subtotal:
  • On Sale
    S&S CYCLE Check Valve Ball 50-8091

    S&S CYCLE Check Valve Ball 50-8091

    S&S CYCLE

    MSRP: $4.95
    Now: $4.46
    Was: $4.95
    A properly functioning oil pump is critical to engine longevity, and the check valve ball is the component that ensures consistent oil pressure and prevents backflow. If your Harley-Davidson is...
    09320173
    SKU:
    09320173
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    TYPE:
    CHECK VALVE
    PRODUCT NAME:
    BALL
    MSRP: $4.95
    Now: $4.46
    Was: $4.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $4.95
    Now: $4.46
    Was: $4.95
    Subtotal:
  • On Sale
    S&S CYCLE Supply Idler Gear 31-6016

    S&S CYCLE Supply Idler Gear 31-6016

    S&S CYCLE

    MSRP: $40.95
    Now: $36.86
    Was: $40.95
    The S&S Cycle Supply Idler Gear 31-6016 is essential maintenance for Big Twin engines, ensuring consistent oil circulation and preventing premature wear on your oil pump system. A worn or damaged...
    09320200
    SKU:
    09320200
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    RIDING STYLE:
    STREET
    TYPE:
    IDLER
    TYPE:
    OIL PUMP
    TYPE:
    SUPPLY
    PRODUCT NAME:
    GEAR
    UNITS:
    EACH
    MSRP: $40.95
    Now: $36.86
    Was: $40.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $40.95
    Now: $36.86
    Was: $40.95
    Subtotal:
  • On Sale
    S&S CYCLE Return Drive Gear 31-6013

    S&S CYCLE Return Drive Gear 31-6013

    S&S CYCLE

    MSRP: $33.95
    Now: $30.56
    Was: $33.95
    A properly functioning oil pump is the lifeblood of any Big Twin engine, and the S&S Cycle Return Drive Gear ensures consistent oil delivery and pressure stability throughout your ride. This...
    09320201
    SKU:
    09320201
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    TYPE:
    DRIVE
    TYPE:
    OIL PUMP
    TYPE:
    RETURN
    PRODUCT NAME:
    GEAR
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    MSRP: $33.95
    Now: $30.56
    Was: $33.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $33.95
    Now: $30.56
    Was: $33.95
    Subtotal:
  • On Sale
    S&S CYCLE Return Idler Gear 31-6014

    S&S CYCLE Return Idler Gear 31-6014

    S&S CYCLE

    MSRP: $32.95
    Now: $29.66
    Was: $32.95
    A properly functioning oil pump is the lifeblood of your Big Twin engine, and the idler gear is critical to that operation. The S&S Cycle Return Idler Gear (31-6014) is engineered to OEM...
    09320202
    SKU:
    09320202
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    PRODUCT NAME:
    GEAR
    RIDING STYLE:
    STREET
    TYPE:
    IDLER
    TYPE:
    OIL PUMP
    TYPE:
    RETURN
    UNITS:
    EACH
    MSRP: $32.95
    Now: $29.66
    Was: $32.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $32.95
    Now: $29.66
    Was: $32.95
    Subtotal:
  • On Sale
    S&S CYCLE Supply Drive Gear 31-6015

    S&S CYCLE Supply Drive Gear 31-6015

    S&S CYCLE

    MSRP: $40.95
    Now: $36.86
    Was: $40.95
    A properly functioning oil pump is critical to engine longevity, and the S&S Cycle Supply Drive Gear 31-6015 ensures reliable oil circulation in your Big Twin. This CNC-machined gear maintains...
    09320203
    SKU:
    09320203
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    TYPE:
    DRIVE
    TYPE:
    SUPPLY
    TYPE:
    OIL PUMP
    UNITS:
    EACH
    PRODUCT NAME:
    GEAR
    RIDING STYLE:
    STREET
    MSRP: $40.95
    Now: $36.86
    Was: $40.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $40.95
    Now: $36.86
    Was: $40.95
    Subtotal:
  • On Sale
    S&S CYCLE Oil Pump Drive Shaft 31-6011

    S&S CYCLE Oil Pump Drive Shaft 31-6011

    S&S CYCLE

    MSRP: $29.95
    Now: $26.96
    Was: $29.95
    A properly functioning oil pump drive shaft is critical to maintaining consistent lubrication and engine longevity on Big Twin models. The S&S Cycle 31-6011 is engineered to OEM specifications,...
    09320204
    SKU:
    09320204
    Availability:
    Ships Same Business Day
    Weight:
    0.16 LBS
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    SHAFT
    UNITS:
    EACH
    TYPE:
    OIL PUMP
    MSRP: $29.95
    Now: $26.96
    Was: $29.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $29.95
    Now: $26.96
    Was: $29.95
    Subtotal:
  • On Sale
    S&S CYCLE Idler Shaft - Big Twin 31-6004

    S&S CYCLE Idler Shaft - Big Twin 31-6004

    S&S CYCLE

    MSRP: $15.95
    Now: $14.36
    Was: $15.95
    A properly functioning oil pump is critical to Big Twin engine longevity—and the idler shaft is its mechanical backbone. S&S Cycle's OEM-quality replacement ensures consistent oil delivery under all...
    09320205
    SKU:
    09320205
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    PRODUCT NAME:
    SHAFT
    TYPE:
    IDLER
    MSRP: $15.95
    Now: $14.36
    Was: $15.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $15.95
    Now: $14.36
    Was: $15.95
    Subtotal:
  • On Sale
    S&S CYCLE Cylinder Kit 910-0690

    S&S CYCLE Cylinder Kit 910-0690

    S&S CYCLE

    MSRP: $1,077.95
    Now: $970.16
    Was: $1,077.95
    If you're building a high-displacement Harley engine and need reliable, precision-engineered internals, the S&S Cycle 1250cc Cylinder Kit delivers the bore and piston combination that serious...
    09310529
    SKU:
    09310529
    Availability:
    Ships Same Business Day
    Weight:
    22.95 LBS
    COLOR/FINISH:
    SILVER
    COMPRESSION RATIO IMPERIAL:
    11.2:1
    MATERIAL:
    ALUMINUM
    MATERIAL:
    IRON
    STYLE:
    BIG BORE
    BORE SIZE IMPERIAL:
    3.562'
    DISPLACEMENT:
    1250 CC
    MATERIAL:
    CAST
    RIDING STYLE:
    STREET
    STROKE LENGTH IMPERIAL:
    3-13/16'
    PRODUCT NAME:
    CYLINDER KIT
    TYPE:
    DOMED
    UNITS:
    KIT
    MSRP: $1,077.95
    Now: $970.16
    Was: $1,077.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $1,077.95
    Now: $970.16
    Was: $1,077.95
    Subtotal:
  • On Sale
    S&S CYCLE Throttle Cable - 48" 19-0224

    S&S CYCLE Throttle Cable - 48" 19-0224

    S&S CYCLE

    MSRP: $81.95
    Now: $73.76
    Was: $81.95
    A properly routed and correctly-sized throttle cable is critical to responsive throttle control and safe engine operation. The S&S CYCLE 48" throttle cable delivers precise actuation without slack or...
    DS223220
    SKU:
    DS223220
    Availability:
    Ships Same Business Day
    Weight:
    0.19 LBS
    COLOR/FINISH:
    BLACK
    OVERALL LENGTH IMPERIAL:
    48'
    STYLE:
    PULL
    TYPE:
    IDLE
    RIDING STYLE:
    STREET
    STYLE:
    PUSH
    PRODUCT NAME:
    CABLE
    BASE COLOR:
    BLACK
    HOUSING MATERIAL:
    VINYL
    UNITS:
    EACH
    MSRP: $81.95
    Now: $73.76
    Was: $81.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $81.95
    Now: $73.76
    Was: $81.95
    Subtotal:
  • On Sale
    S&S CYCLE Hydraulic Tappets - Big Twin 33-5352

    S&S CYCLE Hydraulic Tappets - Big Twin 33-5352

    S&S CYCLE

    MSRP: $381.95
    Now: $343.76
    Was: $381.95
    Stock hydraulic tappets can't handle the demands of high-performance valve springs and aggressive cam profiles—they starve for oil under load and wear prematurely. S&S Cycle's redesigned hydraulic...
    09290004
    SKU:
    09290004
    Availability:
    Ships Same Business Day
    Weight:
    1.41 LBS
    UNITS:
    SET OF 4
    PRODUCT NAME:
    TAPPET
    RIDING STYLE:
    STREET
    STYLE:
    HYDRAULIC
    MSRP: $381.95
    Now: $343.76
    Was: $381.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $381.95
    Now: $343.76
    Was: $381.95
    Subtotal:
  • On Sale
    S&S CYCLE Throttle Cable - 42" - Black 19-0440

    S&S CYCLE Throttle Cable - 42" - Black 19-0440

    S&S CYCLE

    MSRP: $81.95
    Now: $73.76
    Was: $81.95
    If you're running an early-style S&S carburetor with stock throttle controls, cable routing and actuation precision are critical to consistent performance. This 42" throttle cable is...
    DS223261
    SKU:
    DS223261
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    COLOR/FINISH:
    BLACK
    ELBOW ANGLE:
    90°
    HANDLEBAR FITTING:
    SMOOTH
    OVERALL LENGTH IMPERIAL:
    42'
    TYPE:
    THROTTLE
    HOUSING LENGTH IMPERIAL:
    42'
    HOUSING LENGTH METRIC:
    106.5 CM
    OVERALL LENGTH METRIC:
    106.5 CM
    UNITS:
    EACH
    HOUSING MATERIAL:
    VINYL
    PRODUCT NAME:
    CABLE
    BASE COLOR:
    BLACK
    RIDING STYLE:
    STREET
    MSRP: $81.95
    Now: $73.76
    Was: $81.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $81.95
    Now: $73.76
    Was: $81.95
    Subtotal:
  • On Sale
    S&S CYCLE Throttle Cable - 48" - Black 19-0464

    S&S CYCLE Throttle Cable - 48" - Black 19-0464

    S&S CYCLE

    MSRP: $81.95
    Now: $73.76
    Was: $81.95
    If you're running an early-style S&S carburetor with stock throttle assembly, cable routing and length matter—get it wrong and you'll have binding, sluggish throttle response, or worse, a safety...
    DS223265
    SKU:
    DS223265
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    OVERALL LENGTH IMPERIAL:
    48'
    OVERALL LENGTH METRIC:
    122 CM
    PRODUCT NAME:
    CABLE
    RIDING STYLE:
    STREET
    BASE COLOR:
    BLACK
    ELBOW ANGLE:
    90°
    HANDLEBAR FITTING:
    SMOOTH
    COLOR/FINISH:
    BLACK
    HOUSING LENGTH IMPERIAL:
    52'
    TYPE:
    THROTTLE
    HOUSING LENGTH METRIC:
    132 CM
    HOUSING MATERIAL:
    VINYL
    UNITS:
    EACH
    MSRP: $81.95
    Now: $73.76
    Was: $81.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $81.95
    Now: $73.76
    Was: $81.95
    Subtotal:
  • On Sale
    S&S CYCLE Idle Cable - 48" - Black 19-0465

    S&S CYCLE Idle Cable - 48" - Black 19-0465

    S&S CYCLE

    MSRP: $81.95
    Now: $73.76
    Was: $81.95
    If you're running an early-style S&S carburetor on your build, proper throttle cable routing is non-negotiable for smooth operation and reliable performance. This OEM S&S idle cable is engineered to...
    DS223266
    SKU:
    DS223266
    Availability:
    Ships Same Business Day
    Weight:
    0.31 LBS
    OVERALL LENGTH IMPERIAL:
    48'
    PRODUCT NAME:
    CABLE
    TYPE:
    IDLE
    COLOR/FINISH:
    BLACK
    HOUSING LENGTH IMPERIAL:
    52'
    OVERALL LENGTH METRIC:
    122 CM
    ELBOW ANGLE:
    90°
    HANDLEBAR FITTING:
    SMOOTH
    RIDING STYLE:
    STREET
    BASE COLOR:
    BLACK
    HOUSING LENGTH METRIC:
    132 CM
    HOUSING MATERIAL:
    VINYL
    UNITS:
    EACH
    MSRP: $81.95
    Now: $73.76
    Was: $81.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $81.95
    Now: $73.76
    Was: $81.95
    Subtotal:
  • On Sale
    S&S CYCLE 4 Gear Drive Cam Kit 33-4275 S&S CYCLE 4 Gear Drive Cam Kit 33-4275

    S&S CYCLE 4 Gear Drive Cam Kit 33-4275

    S&S CYCLE

    MSRP: $669.95
    Now: $602.96
    Was: $669.95
    If you're running S&S gear-driven cams on your Harley, you need a complete four-gear set to ensure proper valve train operation and longevity. This kit supplies all secondary and primary gears, plus...
    DS199532
    SKU:
    DS199532
    Availability:
    Ships Same Business Day
    Weight:
    2.35 LBS
    UNITS:
    KIT
    TYPE:
    CAM
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    GEAR KIT
    SIZE:
    -
    MSRP: $669.95
    Now: $602.96
    Was: $669.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $669.95
    Now: $602.96
    Was: $669.95
    Subtotal:
  • On Sale
    S&S CYCLE Pushrod Cover Keeper Set - 2.4" 93-4070

    S&S CYCLE Pushrod Cover Keeper Set - 2.4" 93-4070

    S&S CYCLE

    MSRP: $40.95
    Now: $36.86
    Was: $40.95
    When you're building a custom engine or modifying beyond stock specifications, standard pushrod covers often won't clear your upgraded components. S&S Cycle's Pushrod Cover Keeper Set provides...
    09280094
    SKU:
    09280094
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    LENGTH:
    2,40'
    LENGTH IMPERIAL:
    2.40'
    PRODUCT NAME:
    KEEPER
    COLOR/FINISH:
    CHROME
    RIDING STYLE:
    STREET
    UNITS:
    SET
    MATERIAL:
    STEEL
    TYPE:
    PUSHROD COVER
    MSRP: $40.95
    Now: $36.86
    Was: $40.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $40.95
    Now: $36.86
    Was: $40.95
    Subtotal:
  • On Sale
    S&S CYCLE Quickee Pushrod Kit - XL 930-0023

    S&S CYCLE Quickee Pushrod Kit - XL 930-0023

    S&S CYCLE

    MSRP: $326.95
    Now: $294.26
    Was: $326.95
    Maintaining precise valve timing is critical to engine reliability and performance, especially in high-RPM applications where pushrod wear directly impacts combustion efficiency. The S&S Cycle...
    09280036
    SKU:
    09280036
    Availability:
    Ships Same Business Day
    Weight:
    1.91 LBS
    COLOR/FINISH:
    CHROME
    BASE FINISH:
    CHROME
    MATERIAL:
    CHROMOLY STEEL
    RIDING STYLE:
    STREET
    MODEL:
    QUICKEE
    STYLE:
    QUICKEE
    PRODUCT NAME:
    PUSHROD KIT
    UNITS:
    KIT
    MSRP: $326.95
    Now: $294.26
    Was: $326.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $326.95
    Now: $294.26
    Was: $326.95
    Subtotal:
  • On Sale
    S&S CYCLE Breather Gear - +.03" 33-4242

    S&S CYCLE Breather Gear - +.03" 33-4242

    S&S CYCLE

    MSRP: $199.95
    Now: $179.96
    Was: $199.95
    Crankcase pressure management directly impacts engine reliability and performance—excessive blow-by reduces seal integrity and contaminates your oil. The S&S Cycle Breather Gear delivers superior...
    09320125
    SKU:
    09320125
    Availability:
    Ships Same Business Day
    Weight:
    0.41 LBS
    PRODUCT NAME:
    GEAR
    FEATURES:
    OVERSIZED (+.03')
    TYPE:
    BREATHER
    RIDING STYLE:
    STREET
    MATERIAL:
    STEEL
    UNITS:
    EACH
    MSRP: $199.95
    Now: $179.96
    Was: $199.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $199.95
    Now: $179.96
    Was: $199.95
    Subtotal:
  • On Sale
    S&S CYCLE Oil Pump with Cam Plate - M8/Twin Cooled 310-0997B

    S&S CYCLE Oil Pump with Cam Plate - M8/Twin Cooled 310-0997B

    S&S CYCLE

    MSRP: $836.95
    Now: $753.26
    Was: $836.95
    Reliable oil circulation is the foundation of engine longevity, especially in high-performance applications where inadequate lubrication leads to catastrophic failure. The S&S Cycle Oil Pump with Cam...
    09320250
    SKU:
    09320250
    Availability:
    Ships Same Business Day
    Weight:
    5.60 LBS
    TYPE:
    CAM SUPPORT
    COLOR/FINISH:
    BLUE
    UNITS:
    KIT
    BASE COLOR:
    BLUE
    PRODUCT NAME:
    PUMP
    RIDING STYLE:
    STREET
    TYPE:
    OIL
    MSRP: $836.95
    Now: $753.26
    Was: $836.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $836.95
    Now: $753.26
    Was: $836.95
    Subtotal:
  • On Sale
    S&S CYCLE Oil Cooled Oil Pump - M8 310-0959A

    S&S CYCLE Oil Cooled Oil Pump - M8 310-0959A

    S&S CYCLE

    MSRP: $495.95
    Now: $446.36
    Was: $495.95
    The S&S Cycle Oil Cooled Oil Pump is engineered to manage higher oil volumes and maintain optimal viscosity in M8 engines operating under sustained high-performance conditions. Factory oil pumps...
    09320267
    SKU:
    09320267
    Availability:
    Ships Same Business Day
    Weight:
    1.95 LBS
    UNITS:
    EACH
    BASE COLOR:
    BLUE
    PRODUCT NAME:
    PUMP
    RIDING STYLE:
    STREET
    TYPE:
    OIL
    MSRP: $495.95
    Now: $446.36
    Was: $495.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $495.95
    Now: $446.36
    Was: $495.95
    Subtotal:
  • On Sale
    S&S CYCLE Cylinders - 4.25" - M8 - Black 910-0683

    S&S CYCLE Cylinders - 4.25" - M8 - Black 910-0683

    S&S CYCLE

    MSRP: $970.95
    Now: $873.86
    Was: $970.95
    If you're running a 4.375" stroke big-twin, displacement is everything—and these S&S Cycle cylinders deliver the bore you need for serious power gains. A bolt-on solution that transforms your...
    09310837
    SKU:
    09310837
    Availability:
    Ships Same Business Day
    Weight:
    26.61 LBS
    BORE SIZE IMPERIAL:
    4.250'
    COLOR/FINISH:
    NON-HIGHLIGHTED FINS
    PRODUCT NAME:
    CYLINDER
    RIDING STYLE:
    STREET
    COLOR/FINISH:
    WRINKLE BLACK
    STYLE:
    BIG BORE
    UNITS:
    PAIR
    MSRP: $970.95
    Now: $873.86
    Was: $970.95
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $970.95
    Now: $873.86
    Was: $970.95
    Subtotal:
  • Total: items /

Adding your products to cart

S&S Cycle
 S&S Cycle stands as a towering icon in the motorcycle industry, renowned for its unwavering commitment to excellence and innovation in performance motorcycle parts. Founded in 1958 by the dynamic duo of George J. Smith and Stanley Stankos, S&S Cycle has carved its niche as the premier engineer and manufacturer of motorcycle engines and parts in America. Originating from a passion for racing, the company has spent over six decades perfecting the art of motorcycle performance, ensuring each piece that comes out of their factory not only meets but exceeds the high expectations of the powersports community. With a deep-rooted history in enhancing the power and performance of Harley-Davidson® motorcycles, S&S Cycle is the go-to brand for enthusiasts seeking unmatched quality and proven performance.

 

 S&S Cycle Parts
 S&S Cycle's product line extends far beyond just engines; it encompasses a broad array of components designed to elevate the performance of your motorcycle. From the initial solid lifter conversion kit featuring lightweight aluminum pushrods to state-of-the-art carburetors, air cleaners, and throttle bodies, every part is engineered with precision. The brand's dedication to innovation means continually refining and expanding their offerings to include everything a motorcycle might need for optimal performance and reliability.

 

 S&S Cycle Engines
 At the heart of S&S Cycle's legacy are its engines. Renowned for their robustness and reliability, S&S engines come in various styles, including the iconic Knucklehead, Shovelhead, Panhead, Evolution-style, and Twin-cam style engines. Each engine, like the T143 Assembled Long Block Engine, is meticulously constructed to provide unmatched power and torque, transforming any motorcycle into a high-performance machine. S&S's commitment to quality ensures that whether you're cruising the streets or dominating the racetrack, their engines will deliver unparalleled performance.

 

 S&S Cams
 S&S cams are designed to unlock the full potential of your motorcycle's engine. With a focus on maximizing horsepower, torque, and overall engine efficiency, S&S cams are a critical component for anyone looking to boost their bike's performance. Each cam is the result of exhaustive research and development, ensuring compatibility and impressive gains across various riding conditions. Whether you're upgrading an existing engine or building a custom setup, S&S cams are essential for achieving peak performance.

 

 S&S Motorcycle Exhausts
 To complement their engines and performance parts, S&S Cycle also offers a range of high-quality motorcycle exhaust systems. These exhausts are not only built to withstand the rigors of high-performance riding but are also designed to optimize exhaust flow, enhancing both sound and power output. From aggressive race-inspired designs to more subdued styles for daily riding, S&S Cycle's exhaust systems combine performance improvements with aesthetic appeal, making them a favorite among discerning riders.

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

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